M&
Mason & Associates Inc
13F filer · CIK 0001917686Reported Jul 23, 2026
13F portfolio value$619MU.S. long equity reported on 13F
Positions85Not reported new · Not reported closed
Net flow last quarterNot reportedBuys minus sells
Top 10 positions weight17.1%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Jul 23, 202685 positions | |||||
| $25.7M | 4.16% | Not reported | Not reported | Q2 2023 | |
| $14.2M | 2.29% | 0.00% | Not reported | Q4 2021 | |
| $12.4M | 2.00% | 0.00% | Not reported | Q4 2021 | |
| $11.6M | 1.88% | 0.00% | Not reported | Q4 2021 | |
| $8.16M | 1.32% | 0.61% | Not reported | Q4 2024 | |
| $7.91M | 1.28% | 0.00% | Not reported | Q4 2021 | |
| $6.92M | 1.12% | Not reported | Not reported | Q4 2021 | |
| $6.74M | 1.09% | 0.00% | Not reported | Q4 2021 | |
| $6.57M | 1.06% | 0.00% | Not reported | Q4 2021 | |
| $5.62M | 0.91% | Not reported | Not reported | Q4 2025 | |
| $5.58M | 0.90% | 0.13% | Not reported | Q4 2025 | |
| $4.45M | 0.72% | 0.00% | Not reported | Q4 2021 | |
| $3.67M | 0.59% | Not reported | Not reported | Q4 2021 | |
| $3.57M | 0.58% | 0.00% | Not reported | Q1 2024 | |
| $3.4M | 0.55% | 0.00% | Not reported | Q3 2024 | |
| $3.3M | 0.53% | Not reported | Not reported | Q4 2021 | |
| $3.29M | 0.53% | Not reported | Not reported | Q1 2024 | |
| $2.92M | 0.47% | 0.00% | Not reported | Q4 2021 | |
| $2.88M | 0.47% | 0.00% | Not reported | Q4 2024 | |
| $2.52M | 0.41% | 0.00% | Not reported | Q4 2021 | |
| $2.42M | 0.39% | 0.00% | Not reported | Q4 2021 | |
| $1.97M | 0.32% | 0.00% | New | Q2 2026 | |
| $1.86M | 0.30% | 0.00% | Not reported | Q4 2021 | |
| $1.57M | 0.25% | Not reported | Not reported | Q4 2021 | |
| $1.49M | 0.24% | 0.04% | Not reported | Q4 2021 | |
| $1.46M | 0.24% | 0.01% | Not reported | Q4 2025 | |
| $1.42M | 0.23% | 0.00% | Not reported | Q4 2024 | |
| $1.37M | 0.22% | Not reported | Not reported | Q3 2025 | |
| $1.22M | 0.20% | Not reported | Not reported | Q1 2023 | |
| $1.16M | 0.19% | Not reported | New | Q2 2026 | |
| $1.16M | 0.19% | 0.00% | Not reported | Q1 2024 | |
| $1.12M | 0.18% | 2070.37% | Not reported | Q1 2022 | |
| $1.1M | 0.18% | 0.00% | Not reported | Q3 2023 | |
| $1.01M | 0.16% | 0.00% | Not reported | Q4 2021 | |
| $994K | 0.16% | 0.00% | Not reported | Q4 2021 | |
| $949K | 0.15% | 0.00% | Not reported | Q4 2021 | |
| $942K | 0.15% | 0.00% | Not reported | Q4 2021 | |
| $897K | 0.14% | 0.00% | Not reported | Q3 2025 | |
| $893K | 0.14% | 0.00% | Not reported | Q3 2025 | |
| $885K | 0.14% | 0.00% | Not reported | Q4 2025 | |
| $862K | 0.14% | 0.00% | Not reported | Q3 2024 | |
| $852K | 0.14% | 0.00% | Not reported | Q4 2021 | |
| $833K | 0.13% | 0.00% | Not reported | Q1 2022 | |
| $783K | 0.13% | 0.00% | Not reported | Q4 2021 | |
| $780K | 0.13% | 0.04% | Not reported | Q1 2025 | |
| $713K | 0.12% | 0.00% | Not reported | Q4 2021 | |
| $694K | 0.11% | 0.00% | Not reported | Q4 2022 | |
| $693K | 0.11% | 0.00% | Not reported | Q4 2021 | |
| $674K | 0.11% | 0.00% | Not reported | Q4 2021 | |
| $662K | 0.11% | 0.01% | Not reported | Q3 2025 | |
| Q4 2025Reported Feb 5, 202689 positions | |||||
| $19.8M | 3.73% | Not reported | +7.7% | Q2 2023 | |
| $11.1M | 2.09% | 0.00% | +8.0% | Q4 2021 | |
| $11M | 2.08% | 0.00% | +8.5% | Q4 2021 | |
| $8.08M | 1.52% | 0.00% | 0.0% | Q4 2021 | |
| $7.42M | 1.40% | Not reported | -0.8% | Q4 2021 | |
| $7.39M | 1.39% | 0.00% | +7.5% | Q4 2021 | |
| $7.27M | 1.37% | 0.49% | +16.5% | Q4 2024 | |
| $6.05M | 1.14% | 0.00% | +4.5% | Q4 2021 | |
| $5.65M | 1.06% | 0.00% | 0.0% | Q4 2021 | |
| $5.62M | 1.06% | 0.00% | +8.9% | Q1 2024 | |
| $5.27M | 0.99% | Not reported | New | Q4 2025 | |
| $4.41M | 0.83% | 0.00% | +4.7% | Q4 2021 | |
| $3.52M | 0.66% | Not reported | +46.0% | Q4 2021 | |
| $3.27M | 0.62% | Not reported | +4.2% | Q4 2021 | |
| $3.12M | 0.59% | Not reported | +2.1% | Q1 2024 | |
| $2.68M | 0.51% | 0.00% | +7.8% | Q4 2021 | |
| $2.47M | 0.47% | 0.00% | +12.9% | Q4 2021 | |
| $2.46M | 0.46% | 0.00% | +5.9% | Q3 2024 | |
| $2.32M | 0.44% | 0.00% | -1.5% | Q4 2021 | |
| $1.86M | 0.35% | 0.06% | +28.3% | Q1 2025 | |
| $1.75M | 0.33% | 0.00% | +8.0% | Q4 2021 | |
| $1.65M | 0.31% | 2137.59% | +234.7% | Q1 2022 | |
| $1.6M | 0.30% | 0.00% | +0.6% | Q4 2024 | |
| $1.46M | 0.27% | 0.01% | New | Q4 2025 | |
| $1.25M | 0.24% | Not reported | -8.8% | Q4 2021 | |
| $1.23M | 0.23% | 0.05% | Not reported | Q4 2021 | |
| $1.16M | 0.22% | 0.00% | +0.1% | Q3 2024 | |
| $1.12M | 0.21% | Not reported | +81.1% | Q1 2023 | |
| $1.11M | 0.21% | 0.00% | -5.6% | Q4 2021 | |
| $1.03M | 0.19% | 0.00% | +0.1% | Q3 2023 | |
| $1.03M | 0.19% | 0.00% | +9.7% | Q4 2021 | |
| $1.02M | 0.19% | 0.00% | +58.3% | Q4 2021 | |
| $1.01M | 0.19% | 0.00% | -20.2% | Q1 2024 | |
| $983K | 0.19% | 0.00% | +3.8% | Q4 2021 | |
| $902K | 0.17% | 0.02% | Not reported | Q3 2025 | |
| $828K | 0.16% | 0.00% | New | Q4 2025 | |
| $796K | 0.15% | 0.00% | +2.0% | Q1 2022 | |
| $786K | 0.15% | 0.00% | Not reported | Q4 2021 | |
| $779K | 0.15% | Not reported | +42.2% | Q3 2025 | |
| $774K | 0.15% | 0.00% | +26.4% | Q4 2021 | |
| $737K | 0.14% | 0.00% | +13.4% | Q4 2021 | |
| $702K | 0.13% | 0.00% | +97.4% | Q3 2025 | |
| $693K | 0.13% | 0.00% | +12.5% | Q4 2022 | |
| $689K | 0.13% | 0.00% | +5.6% | Q4 2021 | |
| $670K | 0.13% | 0.00% | -1.0% | Q1 2025 | |
| $668K | 0.13% | 0.00% | +22.4% | Q4 2024 | |
| $666K | 0.13% | 0.00% | +115.5% | Q1 2024 | |
| $660K | 0.12% | 0.00% | +0.9% | Q4 2021 | |
| $657K | 0.12% | 0.00% | New | Q4 2025 | |
| $615K | 0.12% | 0.00% | +14.3% | Q1 2025 | |
| Q3 2025Reported Nov 7, 202580 positions | |||||
| $16.7M | 3.36% | Not reported | +1.3% | Q2 2023 | |
| $10.2M | 2.05% | 0.00% | -1.2% | Q4 2021 | |
| $9.61M | 1.93% | 0.00% | -0.4% | Q4 2021 | |
| $7.99M | 1.61% | 0.00% | +4.4% | Q4 2021 | |
| $7.48M | 1.51% | Not reported | -6.5% | Q4 2021 | |
| $7.37M | 1.48% | 0.00% | 0.0% | Q4 2021 | |
| $5.59M | 1.13% | 0.43% | +22.0% | Q4 2024 | |
| $5.29M | 1.07% | 0.00% | +9.0% | Q1 2024 | |
| $4.5M | 0.91% | 0.00% | +14.9% | Q4 2021 | |
| $4.27M | 0.86% | 0.00% | +16.8% | Q4 2021 | |
| $4.01M | 0.81% | 0.00% | -0.8% | Q4 2021 | |
| $3.05M | 0.61% | Not reported | +7.3% | Q1 2024 | |
| $2.68M | 0.54% | Not reported | +19.7% | Q4 2021 | |
| $2.46M | 0.50% | 0.00% | -1.5% | Q4 2021 | |
| $2.44M | 0.49% | Not reported | +5.2% | Q4 2021 | |
| $2.44M | 0.49% | 0.00% | +2.5% | Q4 2021 | |
| $2.21M | 0.45% | 0.00% | +10.8% | Q3 2024 | |
| $1.96M | 0.40% | 0.00% | -2.3% | Q4 2021 | |
| $1.9M | 0.38% | 0.04% | +150.0% | Q1 2025 | |
| $1.52M | 0.31% | 0.00% | +9.5% | Q4 2021 | |
| $1.44M | 0.29% | 0.00% | -26.6% | Q4 2024 | |
| $1.32M | 0.27% | Not reported | Not reported | Q4 2021 | |
| $1.25M | 0.25% | 0.05% | Not reported | Q4 2021 | |
| $1.19M | 0.24% | 0.00% | Not reported | Q3 2024 | |
| $1.19M | 0.24% | 0.00% | -1.3% | Q4 2021 | |
| $1.1M | 0.22% | 0.00% | Not reported | Q3 2023 | |
| $991K | 0.20% | 0.00% | +3.1% | Q4 2021 | |
| $902K | 0.18% | 0.00% | +33.9% | Q1 2024 | |
| $886K | 0.18% | 0.02% | New | Q3 2025 | |
| $877K | 0.18% | 0.00% | Not reported | Q4 2021 | |
| $821K | 0.17% | 0.00% | Not reported | Q1 2025 | |
| $791K | 0.16% | 0.00% | 0.0% | Q1 2022 | |
| $776K | 0.16% | 0.00% | +4.0% | Q1 2025 | |
| $768K | 0.15% | 0.00% | Not reported | Q4 2021 | |
| $722K | 0.15% | Not reported | New | Q3 2025 | |
| $694K | 0.14% | 0.00% | +1.8% | Q4 2021 | |
| $661K | 0.13% | 0.00% | Not reported | Q4 2021 | |
| $654K | 0.13% | 0.00% | -14.1% | Q4 2021 | |
| $602K | 0.12% | Not reported | +0.6% | Q1 2023 | |
| $600K | 0.12% | 0.00% | +0.9% | Q4 2022 | |
| $596K | 0.12% | 0.00% | -0.2% | Q1 2024 | |
| $566K | 0.11% | 0.00% | -4.8% | Q2 2023 | |
| $560K | 0.11% | 0.00% | -4.2% | Q4 2021 | |
| $509K | 0.10% | 0.00% | Not reported | Q3 2024 | |
| $508K | 0.10% | 0.00% | +14.4% | Q4 2024 | |
| $486K | 0.10% | 638.59% | Not reported | Q1 2022 | |
| $485K | 0.10% | Not reported | New | Q3 2025 | |
| $447K | 0.09% | 0.00% | Not reported | Q1 2023 | |
| $427K | 0.09% | 0.00% | New | Q3 2025 | |
| $412K | 0.08% | Not reported | +10.8% | Q4 2021 | |
| Q2 2025Reported Jul 31, 202568 positions | |||||
| $14.1M | 3.25% | Not reported | -2.0% | Q2 2023 | |
| $8.72M | 2.01% | 0.00% | +13.3% | Q4 2021 | |
| $7.77M | 1.79% | 0.00% | +9.9% | Q4 2021 | |
| $7.74M | 1.79% | Not reported | +4.4% | Q4 2021 | |
| $7.07M | 1.63% | 0.00% | 0.0% | Q4 2021 | |
| $5.47M | 1.26% | 0.00% | +6.1% | Q4 2021 | |
| $4.04M | 0.93% | 0.00% | +2.9% | Q4 2021 | |
| $3.93M | 0.91% | 0.35% | +12.2% | Q4 2024 | |
| $3.63M | 0.84% | 0.00% | +8.2% | Q1 2024 | |
| $3.2M | 0.74% | 0.00% | +1.0% | Q4 2021 | |
| $2.9M | 0.67% | Not reported | +5.1% | Q1 2024 | |
| $2.84M | 0.66% | 0.00% | +2.0% | Q4 2021 | |
| $2.6M | 0.60% | 0.00% | +0.1% | Q4 2021 | |
| $2.25M | 0.52% | Not reported | +89.8% | Q4 2021 | |
| $2.18M | 0.50% | 0.00% | +1.9% | Q4 2021 | |
| $1.72M | 0.40% | 0.00% | +0.5% | Q4 2021 | |
| $1.69M | 0.39% | Not reported | +1.2% | Q4 2021 | |
| $1.67M | 0.39% | 0.00% | -0.8% | Q3 2024 | |
| $1.62M | 0.38% | 0.00% | -5.7% | Q4 2024 | |
| $1.46M | 0.34% | Not reported | Not reported | Q4 2021 | |
| $1.32M | 0.31% | 0.00% | Not reported | Q4 2021 | |
| $1.31M | 0.30% | 0.05% | Not reported | Q4 2021 | |
| $1.3M | 0.30% | 0.00% | Not reported | Q4 2021 | |
| $1.12M | 0.26% | 0.00% | +30.0% | Q3 2024 | |
| $1.09M | 0.25% | 0.00% | Not reported | Q3 2023 | |
| $869K | 0.20% | 0.00% | -11.6% | Q4 2021 | |
| $812K | 0.19% | 0.00% | -0.1% | Q1 2025 | |
| $729K | 0.17% | 0.00% | -0.4% | Q4 2021 | |
| $716K | 0.17% | 0.02% | +29.3% | Q1 2025 | |
| $695K | 0.16% | 0.00% | -1.2% | Q4 2021 | |
| $688K | 0.16% | 0.00% | Not reported | Q1 2024 | |
| $634K | 0.15% | 0.00% | +14.8% | Q1 2022 | |
| $625K | 0.14% | 0.00% | -2.3% | Q4 2021 | |
| $618K | 0.14% | 0.00% | -11.2% | Q4 2022 | |
| $601K | 0.14% | 0.00% | Not reported | Q1 2024 | |
| $580K | 0.13% | 0.00% | +3.9% | Q1 2025 | |
| $579K | 0.13% | 0.00% | Not reported | Q4 2021 | |
| $569K | 0.13% | 0.00% | Not reported | Q2 2023 | |
| $562K | 0.13% | 0.00% | Not reported | Q3 2024 | |
| $556K | 0.13% | Not reported | +0.8% | Q1 2023 | |
| $486K | 0.11% | 638.59% | Not reported | Q1 2022 | |
| $451K | 0.10% | 0.00% | Not reported | Q3 2024 | |
| $442K | 0.10% | 0.00% | Not reported | Q1 2023 | |
| $398K | 0.09% | 0.00% | -0.7% | Q4 2024 | |
| $378K | 0.09% | 0.00% | -9.6% | Q4 2024 | |
| $342K | 0.08% | 0.00% | +7.3% | Q1 2024 | |
| $339K | 0.08% | 0.00% | -8.4% | Q1 2022 | |
| $337K | 0.08% | Not reported | Not reported | Q4 2021 | |
| $336K | 0.08% | 0.00% | Not reported | Q1 2025 | |
| $321K | 0.07% | 0.00% | New | Q2 2025 | |
Premium opens every quarter this fund has filed